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• Van Gogh’s Starry Night Rendered in Hubble Telescope Images

  - by Jason Fitzpatrick

  The process of making a large image out of mosaic of smaller image “pixels” is certainly nothing new; this rendition of Starry Night using images from the Hubble telescope, however, is a particularly fitting use of the technique. Crafted by Alex H. Parker, a researcher at the Harvard-Smithsonian Center for Astrophysics, on evenings when cloud cover prevented him from conducting his research, the image is a carefully constructed mosaic of NASA supplied photos from the Hubble telescope program. Hit up the link below to check out the full size image. Starry Night Arranged by Alex H. Parker 8 Deadly Commands You Should Never Run on Linux 14 Special Google Searches That Show Instant Answers How To Create a Customized Windows 7 Installation Disc With Integrated Updates

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• Jquery image preview plugin issue...

  - by Pandiya Chendur

  I have a problem with an image preview that comes up when you hover over a thumbnail. I can change the distance between the preview and the cursor, but if a thumbnail is close to the side of the window, the preview cant fit and you only see part of it.. hope that makes sense... is there a way to make it so that if the preview doesnt fit, it will show up on the other side of the cursor?.... Here is the script... this.imagePreview = function() { /* CONFIG */ xOffset = 10; yOffset = 30; // these 2 variable determine popup's distance from the cursor // you might want to adjust to get the right result /* END CONFIG */ $("a.preview").hover(function(e) { this.t = this.title; this.title = ""; var c = (this.t != "") ? "<br/>" + this.t : ""; $("body").append("<p id='preview'> <img src='" + this.href + "' alt='Image preview' />" + c + "</p>"); $("#preview") .css("top", (e.pageY - xOffset) + "px") .css("left", (e.pageX + yOffset) + "px") .fadeIn("slow"); }, function() { this.title = this.t; $("#preview").remove(); }); $("a.preview").mousemove(function(e) { $("#preview") .css("top", (e.pageY - xOffset) + "px") .css("left", (e.pageX + yOffset) + "px"); }); }; // starting the script on page load $(document).ready(function() { imagePreview(); }); EDIT: see what i am getting, http://img202.imageshack.us/img202/4991/browserpreviewf.jpg my image at the right corner of the page so when i hover the img my preview goes even further right that is besides the page scrollbar half the preview is available.... How to get the preview to the left of the cursor..

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• Looking for a FormBuilder that gives me all images and sourcecode to my form

  - by Tracy Anne

  Wow, I started my search this morning and didn't think it would be so difficult to find. I'm just tired of spending hours putting together simple html forms in dreamweaver. I'm an enthusiast web developer mostly focused on php and mysql. I hate CSS and HTML and I'm looking for a simple program that will put a form together for me where I can then completely embed the form into my site. I'll do all of the programming to attach it to my database I just need the form and images. I've looked into jotform, wufoo, 123forms etc but it seems like they all want to keep my form on their servers in one way or another. It looked like jotform had a developers version but $450 bucks is a little steep for a part timer like me. Is there no simple software out there that will throw a nice stylized form together for me?

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• Which is better : Storing/retrieving images on/from SQL server or in a directory on server

  - by Pankaj Upadhyay

  I am working on a project in Asp.net MVC and need to work with images. There is an SQL database with a Product table. Every product in the table will have it's own image. I have two ways to do this : 1) Save the image in a web directory and store the URL on database. 2) Store the image in SQL itself in binary format and then retrieve it. Which is a better approach ? Mind you, I have no idea how second method works :-P . I will only learn this if there are merits to the second method

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• Pre-built Oracle VirtualBox Images

  - by james.bayer

  I’m thrilled to see that Justin Kestelyn has a post that pre-built Oracle VirtualBox images are now available on OTN.  There are VMs for various Oracle software stacks including one for Database, one for Java with Glassfish, and one for SOA and BPM products that includes WebLogic Server. This is just one example of the synergy of a combined Oracle and Sun delivering improvements for customers.  These VMs make it even more straight-forward to get started with Oracle software in a development environment without having to worry about initial software installation and configuration. I’ve been a bit quiet lately on the blogging front, but I’m currently working on another area leveraging the best of Oracle and Sun.  Oracle is uniquely positioned to deliver engineered systems that optimize the entire stack of software and hardware.  You’ve probably seen the announcements about Exalogic and I’m excited about the potential to deliver major advancements for middleware.  More to come…

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• Use jQuery to find and add an image tooltip

  - by lund.mikkel

  Hey people Okay, what I'm trying to accomplish is a simple tool tip that, when you hover over the name of a color, shows a little image of that color. The html markup looks like this: <label class="colorPicker"> <input type="radio" checked="" id="20" value="20" name="id[2]"> <img width="16" height="16" title=" DinoBlack Mat " alt="DinoBlack Mat" src="images/attributes/color/dinoblack_mat.jpg">DinoBlack Mat </label> <label class="colorPicker"> <input type="radio" id="874" value="874" name="id[2]"> <img width="16" height="16" title="XrayBlue shiny" alt="XrayBlue shiny" src="images/attributes/color/xrayblue_shiny.jpg">XrayBlue shiny </label> I'm using the jQuery plugin "Tooltip" and I've added following to my main js-file: $('.colorPicker').tooltip({ track: true, delay: 0, showURL: false, fade: 250, bodyHandler: function() { return $("<img/>").attr("src", [THE SOURCE FOR THE IMAGE]); } }); The idea is simply that the image should be hidden by default. But when you hover over the text the little thumbnail shows up and makes it easy to recognize the color. The problem is I haven't got a clue how to get the src for the thumbnail. I don't know how to extract the src from the img inside the selected element. I've tried various combinations using the this keyword, but nothing seemed to work. I've also tried to add the src path as a rel attribute to the label, but also without any success. Should be needless to say I also control the PHP-output... I really hope you can help me. I've search the web for days without any luck. I'm getting desperate :D /Mikkel Lund

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• Placeholder images for testing reports

  - by Greg Low

  Lorem Ipsum has long been used to provide placeholder text for testing report and document layouts. Programs such as Microsoft Word have also included options for generating sample text. (For example, type =rand() anywhere in a blank area of a Microsoft Word document and hit enter).Matthew Roche and Donald Farmer both sent me a link the other day to an online service that provides placeholder images. This could be quite useful when testing report layouts in SQL Server Reporting Services.You'll find it here: http://lorempixel.com/Nice! As an example, here's a random sports image. Of course I have no idea what you'll see on this page :-)

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• Resize images to specific height value in ImageMagick?

  - by Jason

  I've looked around for this, and can't find an easily implemented solution. Currently I'm working on an application that deals with panoramas. As they come out of the batch stitch process, the dimensions average 18000x4000. Using ImageMagick, how can I downscale those images to a specific height value while maintaining aspect ratio? According to the manual, the convert operation takes in both height and width to resize to while maintaining the same aspect ratio. What I'd like is to put in 600 and 1000 in my existing resize script function and have both a regular viewable image as well as a reduced size.

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• nginx hackery : change image file every X request

  - by Vangel

  Let me describe what I am trying to do first. I have a bunch of pictures in a directory called /images/*.(jpg|gif|png|blah blah|) Now say these images are embedded in an html page and I dont really care which image or where its embedded. For every 10th request for the same picture file (if possible) or for any picture I want to display a fixed image (e.g. trollface.jpg). thats it! I have searched around a bit but i am not even sure what I am looking for. Rewrite might help but then its a permanent thing. this has got to do something with requests. I have heard perl scripts can be used with nginx. I can't write an nginx module (though I did bravely lookup the docs and then gave up) Before you ask "But why don't you do it in application, noob?". This is a static files only server. The point is to not execute any binary at all.

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• Restoring Virtualbox machine images from old hard drive

  - by memilanuk

  I recently replaced the HDD in my laptop, and re-installed Windows & Ubuntu. Now I want to restore the various virtual machines I had set up on the old HDD, which is mounted in an external USB enclosure. I can read the HDD okay, and the 'bad' spots seemed to be in the Windows partition... but whenever I try to restore the VDI files the copy errors out. I've tried drag-n-drop in Nautilus, I've tried grsync, etc. Always bombs out on the VDI files. I've copied over multi-GB dvd iso images with no problem, but the VDI files always fail the checksums. Any ideas? TIA, Monte

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• blurry images with mogrify & convert

  - by user140393

  Does anyone know why this image is so blurry? I did a convert from pdf to png and it turned out like that. Before deleting imagemagick and it's entire toolset from software-center most of my image programs were displaying like this image. Now for the most part it's just blurry, though a couple still display like that such as gimp. I am running in xfce maybe it's to do with the distribution enviornment. Main issue is the absurd blurriness. I reinstalled all additional packages that were available for imagemagick in the software-center I use convert *.pdf *.png & mogrify -format png *.pdf to convert Now on the other hand if I converted the file to djvu and converted that to a tif. The images have no problem converting. More so it does not generate an oversized tif file of around 25mb compared to 3mb with djvu which is super clear & no blurriness.

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• CSS: how to align images vertically bottom

  - by aeran

  Hi all, I have this code: <ol><li><a href=""><span><img src="/images/sized/images/uploads/books/book_1.jpg" width="100" height="165" alt="" /></span> </a> </li> <li><a href=""><span><img src="/images/sized/images/uploads/books/book_2.jpg" width="100" height="130" alt="" /></span> </a> </li></ol> How do I align the images vertically bottom? (the images have various heights)

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• All images are gone after open a doc file created by libreoffice writer

  - by user71465

  I got a paper template in .doc format from a conference site. Now when i work on it with libreoffice and insert image to it and insert caption for the image, after closing the file and opening it again, all images are gone. I saw that when the image Anchor is set "to frame" the image will be gone but when it is set to e.g. "to paragraph" it will maintain but it's alignment will be corrupted. Also, i need the Anchor to be set to "Frame". What can I do? I searched the net but i didn't find a good answer.

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• Why isn't Chrome rendering images and fonts correctly?

  - by user287558

  I have an Acer monitor and an Intel Pentium 4 running 12.04 32-bit. Chrome renders all webpages like this: This is how CNN should look: I have Firefox installed and its images/fonts look fine. I am new to Ubuntu and comfortable with using Terminal. Beyond that, I have no idea what I'm doing. This happened all of a sudden a few weeks ago. Any suggestions would be very much appreciated. Thanks in advance.

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• What is Rails way to save images?

  - by user

  I develop on iOS, and I'm switching from a PHP backend to Ruby on Rails. The interchange format is JSON. A quick Google search for 'save images in Rails' has nearly every result talking about saving image data as blobs to the database. I might be mistaken, but I'm under the impression that saving image data in a database is a huge waste of time and space (as opposed to saving a link to the file location ('/img/subcat/4656.png'). In PHP, it's pretty standard to receive the data, generate a filename, then save that file to disk, and then update the database with the image's location on disk. Is this the same for Rails, or is there some built-in ActiveRecord image functionality I'm not aware of?

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• Android png images big in memory

  - by taivo

  i have an application in android that has an imageflipper. Problem is, after about 8 images loaded to memory, i get an out of memory error. Well, i tried to do dynamic image loading, so that if the user flips 2 images, i'll load next 2 to memory and delete 2 first ones. It kind of works, but it ugly and i have trouble when user flips images back(imageflipper.showprevious()), i can't really shift all images and place new images to the beginning. My question is, is there a better way to do this kind of stuff? Resizing images didn't really help.

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• images changing the position of other elements on being zoomed

  - by nitishrao

  I am making a page in which there will be array of images. I need the images to be zoomed when the mouse is hovered and i got it successfully through java script. But the problem is when the image gets enlarged the position of the other images is also getting changed. I want such that the zoomed image does not change the position of other images like Google Images... that is i want the zoomed image to come over the beside images....any help please... Thanks in advance

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• Encrypt images before uploading to Dropbox [migrated]

  - by Cherry

  I want to encrypt a file first before the file will be uploaded to the dropbox. So i have implement the encryption inside the uploading of the codes. However, there is an error after i integrate the codes together. Where did my mistake go wrong? Error at putFileOverwriteRequest and it says The method putFileOverwriteRequest(String, InputStream, long, ProgressListener) in the type DropboxAPI is not applicable for the arguments (String, FileOutputStream, long, new ProgressListener(){}) Another problem is that this FileOutputStream fis = new FileOutputStream(new File("dont know what to put in this field")); i do not know where to put the file so that after i read the file, it will call the path and then upload to the Dropbox. Anyone is kind to help me in this? As time is running out for me and i still cant solve the problem. Thank you in advance. The full code is as below. public class UploadPicture extends AsyncTask<Void, Long, Boolean> { private DropboxAPI<?> mApi; private String mPath; private File mFile; private long mFileLen; private UploadRequest mRequest; private Context mContext; private final ProgressDialog mDialog; private String mErrorMsg; public UploadPicture(Context context, DropboxAPI<?> api, String dropboxPath, File file) { // We set the context this way so we don't accidentally leak activities mContext = context.getApplicationContext(); mFileLen = file.length(); mApi = api; mPath = dropboxPath; mFile = file; mDialog = new ProgressDialog(context); mDialog.setMax(100); mDialog.setMessage("Uploading " + file.getName()); mDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL); mDialog.setProgress(0); mDialog.setButton("Cancel", new OnClickListener() { public void onClick(DialogInterface dialog, int which) { // This will cancel the putFile operation mRequest.abort(); } }); mDialog.show(); } @Override protected Boolean doInBackground(Void... params) { try { KeyGenerator keygen = KeyGenerator.getInstance("DES"); SecretKey key = keygen.generateKey(); //generate key //encrypt file here first byte[] plainData; byte[] encryptedData; Cipher cipher = Cipher.getInstance("DES/ECB/PKCS5Padding"); cipher.init(Cipher.ENCRYPT_MODE, key); //File f = new File(mFile); //read file FileInputStream in = new FileInputStream(mFile); //obtains input bytes from a file plainData = new byte[(int)mFile.length()]; in.read(plainData); //Read bytes of data into an array of bytes encryptedData = cipher.doFinal(plainData); //encrypt data FileOutputStream fis = new FileOutputStream(new File("dont know what to put in this field")); //upload to a path first then call the path so that it can be uploaded up to the dropbox //save encrypted file to dropbox // By creating a request, we get a handle to the putFile operation, // so we can cancel it later if we want to //FileInputStream fis = new FileInputStream(mFile); String path = mPath + mFile.getName(); mRequest = mApi.putFileOverwriteRequest(path, fis, mFile.length(), new ProgressListener() { @Override public long progressInterval() { // Update the progress bar every half-second or so return 500; } @Override public void onProgress(long bytes, long total) { publishProgress(bytes); } }); if (mRequest != null) { mRequest.upload(); return true; } } catch (DropboxUnlinkedException e) { // This session wasn't authenticated properly or user unlinked mErrorMsg = "This app wasn't authenticated properly."; } catch (DropboxFileSizeException e) { // File size too big to upload via the API mErrorMsg = "This file is too big to upload"; } catch (DropboxPartialFileException e) { // We canceled the operation mErrorMsg = "Upload canceled"; } catch (DropboxServerException e) { // Server-side exception. These are examples of what could happen, // but we don't do anything special with them here. if (e.error == DropboxServerException._401_UNAUTHORIZED) { // Unauthorized, so we should unlink them. You may want to // automatically log the user out in this case. } else if (e.error == DropboxServerException._403_FORBIDDEN) { // Not allowed to access this } else if (e.error == DropboxServerException._404_NOT_FOUND) { // path not found (or if it was the thumbnail, can't be // thumbnailed) } else if (e.error == DropboxServerException._507_INSUFFICIENT_STORAGE) { // user is over quota } else { // Something else } // This gets the Dropbox error, translated into the user's language mErrorMsg = e.body.userError; if (mErrorMsg == null) { mErrorMsg = e.body.error; } } catch (DropboxIOException e) { // Happens all the time, probably want to retry automatically. mErrorMsg = "Network error. Try again."; } catch (DropboxParseException e) { // Probably due to Dropbox server restarting, should retry mErrorMsg = "Dropbox error. Try again."; } catch (DropboxException e) { // Unknown error mErrorMsg = "Unknown error. Try again."; } catch (FileNotFoundException e) { } return false; } @Override protected void onProgressUpdate(Long... progress) { int percent = (int)(100.0*(double)progress[0]/mFileLen + 0.5); mDialog.setProgress(percent); } @Override protected void onPostExecute(Boolean result) { mDialog.dismiss(); if (result) { showToast("Image successfully uploaded"); } else { showToast(mErrorMsg); } } private void showToast(String msg) { Toast error = Toast.makeText(mContext, msg, Toast.LENGTH_LONG); error.show(); } }

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• How to get the full image when the shopping site like Amazon shows you only a part of the image and

  - by Jian Lin

  For sites like http://www.amazon.com/gp/product/images/B001AQR3J4/sr=1-93/qid=1269506892/ref=dp_image_z_0?ie=UTF8&n=130&s=dvd&qid=1269506892&sr=1-93 We can zoom and pan all we want, but say if we want to save the image as a full file, is there an easy way to do it?

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• How to split a multipage TIFF file on Windows?

  - by Portman

  I thought Adobe Photoshop could do everything, but apparently it cannot read multipage TIFF files. I have a TIFF file with four pages, and I need to edit one of the pages. Windows Picture Viewer can print all four pages, but cannot split them. Anyone know how I can split the original TIFF into four separate images suitable for editing? The Google search for "free tiff splitter windows" returns lots of suspicious looking downloads.

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• How to compress / reduce the size of JPEG photos for archiving?

  - by Timo Huovinen

  I have 50,000 high resolution JPEG photos, where a couple of them might occasionally be needed, about once a year. I wanted to zip them to save disk space, except that zipping gives no space benefit - so trying to reduce the images disk usage using winzip, winrar or 7zip was not successful. Is there any software or algorithm similar to zip to compress image size on hard disk for storage without loosing any image information?

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• Multithreaded TIFF to PNG conversion

  - by mtone

  I'm working with images of scanned books, so hundreds of high resolution pictures. I'm doing conversion work with Photoshop Elements - I can quickly save them to uncompressed TIFF, but converting to compressed PNG using a single thread takes ages. Do you know a software, ideally simple and free, that would batch convert those TIFFs to PNG in a multi-threaded manner (4 to 8 simultaneous files) to take advantage of those cores and cut converting times? I'm not too worried in slight variations in final size.

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• htaccess rewrite?

  - by flyenig

  i have a script that uploads images, creates a hash for it, creates 3 directories, and stores the image to imgs/f3s/v5g/234/536_f3sv5g2344270fd093ee8a9bf8de3de32dad.jpg (the “536_” is the user id) so im trying to turn imgs/f3s/v5g/234/536_f3sv5g2344270fd093ee8a9bf8de3de32dad.jpg into user_pics/536/536_f3sv5g2344270fd093ee8a9bf8de3de32dad.jpg how can i do that? i want that if someone wants to view the photo, they see the new directory in the url, not the one with 3 sub directories.

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• Stop Believing TV’s Lies: The Real Truth About "Enhancing" Images

  - by Eric Z Goodnight

  You’ve seen it over and over. The FBI uses their advanced technology to “enhance” a blurry image, and find a villain’s face in the worst possible footage. Well, How-To Geek is calling their bluff. Read on to see why. It’s one of the most common tropes in television and movies, but is there any possibility a government agency could really have the technology to find faces where there are only blurry pixels? We’ll make the argument that not only is it impossible with current technology, but it is very unlikely to ever be a technology we’ll ever see. Stick around to see us put this trope under the lenses of science and technology, and prove it wrong once and for all Latest Features How-To Geek ETC Stop Believing TV’s Lies: The Real Truth About "Enhancing" Images The How-To Geek Valentine’s Day Gift Guide Inspire Geek Love with These Hilarious Geek Valentines RGB? CMYK? Alpha? What Are Image Channels and What Do They Mean? How to Recover that Photo, Picture or File You Deleted Accidentally How To Colorize Black and White Vintage Photographs in Photoshop A History of Vintage Transformers: Decepticons Edition [Infographic] How to Determine What Kind of Comment to Leave on Facebook [Humorous Flow Chart] View the Cars of Tomorrow Through the Eyes of the Past [Historical Video] Add Romance to Your Desktop with These Two Valentine’s Day Themes for Windows 7 Gmail’s Priority Inbox Now Available for Mobile Web Browsers Touchpad Blocker Locks Down Your Touchpad While Typing

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• Including BLOB images in your PDF Reports

  - by thatjeffsmith

  Earlier this year we walked through how to work with BLOBs in Oracle SQL Developer. So you already know how to INSERT, UPDATE and view the BLOBs stored in your tables. But now I want to show you how to include those images in your PDF reports. You know how to work with SQL Developer reports, right? No? OK, let’s do a quick run down memory lane then: How to Build a Bar Chart Child reports – click on parent record for on-the-fly children records Alright, so if you have a GRID report that contains a BLOB column, you have the option of including the BLOB contents when you create a PDF export: At design time, specify how you want the BLOB content to be treated when you export to PDF Note that you must specify the treatment of the BLOBs in the report design. You won’t be prompted when you launch the Export wizard dialog. When you open your PDF, there will be a link to the image. Click it. Click then confirm. It will launch the default image viewer on your machine. I hope your pictures are more excited than mine.

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